1050000115655 has 4 divisors (see below), whose sum is σ = 1260000138792. Its totient is φ = 840000092520.

The previous prime is 1050000115609. The next prime is 1050000115657. The reversal of 1050000115655 is 5565110000501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1050000115655 - 2¹⁴ = 1050000099271 is a prime.

It is a super-2 number, since 2×1050000115655² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1050000115657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105000011561 + ... + 105000011570.

It is an arithmetic number, because the mean of its divisors is an integer number (315000034698).

Almost surely, 2^{1050000115655} is an apocalyptic number.

1050000115655 is a deficient number, since it is larger than the sum of its proper divisors (210000023137).

1050000115655 is an equidigital number, since it uses as much as digits as its factorization.

1050000115655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210000023136.

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 1050000115655 in words is "one trillion, fifty billion, one hundred fifteen thousand, six hundred fifty-five".